Average Co-Inventor Count = 1.50
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Kabushiki Kaisha Toshiba (2 from 52,711 patents)
2 patents:
1. 7182527 - Optical transmission device
2. D534492 - Optical transmission conversion device